Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 8. Southwest

Average Temperature Rankings, June 1930

View Period (Months):
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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1930
1-Month
73.5°F
(23.1°C)
73.9°F
(23.3°C)
-0.4°F
(-0.2°C)
49th Coolest
Coolest since:
1903
80th Warmest
Warmest since:
1952
Ties: 1967
May–Jun 1930
2-Month
69.6°F
(20.9°C)
69.5°F
(20.8°C)
0.1°F
(0.1°C)
67th Coolest
Coolest since:
1907
62nd Warmest
Warmest since:
2018
Ties: 1950, 1980, 1982
Apr–Jun 1930
3-Month
66.0°F
(18.9°C)
64.7°F
(18.2°C)
1.3°F
(0.7°C)
91st Coolest
Coolest since:
1907
38th Warmest
Warmest since:
2010
Ties: 1955, 2005
Mar–Jun 1930
4-Month
60.3°F
(15.7°C)
59.7°F
(15.4°C)
0.6°F
(0.3°C)
75th Coolest
Coolest since:
1960
54th Warmest
Warmest since:
2012
Ties: 1973, 1994
Feb–Jun 1930
5-Month
56.9°F
(13.8°C)
54.7°F
(12.6°C)
2.2°F
(1.2°C)
111th Coolest
Coolest since:
1912, 1960, 1978
18th Warmest
Warmest since:
2012
Jan–Jun 1930
6-Month
51.5°F
(10.8°C)
50.8°F
(10.4°C)
0.7°F
(0.4°C)
78th Coolest
Coolest since:
1912, 1978
51st Warmest
Warmest since:
2012
Ties: 1959, 1973
Dec 1929–Jun 1930
7-Month
49.3°F
(9.6°C)
48.5°F
(9.2°C)
0.8°F
(0.4°C)
77th Coolest
Coolest since:
1978
51st Warmest
Warmest since:
2012
Ties: 1981
Nov 1929–Jun 1930
8-Month
48.1°F
(8.9°C)
48.0°F
(8.9°C)
0.1°F
(0.0°C)
57th Coolest
Coolest since:
1912
71st Warmest
Warmest since:
2012
Ties: 1903, 1966, 2008
Oct 1929–Jun 1930
9-Month
49.0°F
(9.4°C)
49.0°F
(9.4°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1912, 1978
76th Warmest
Warmest since:
2012
Ties: 1916, 1966
Sep 1929–Jun 1930
10-Month
50.9°F
(10.5°C)
51.1°F
(10.6°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1978
80th Warmest
Warmest since:
2012
Ties: 1928, 1971
Aug 1929–Jun 1930
11-Month
53.0°F
(11.7°C)
53.3°F
(11.8°C)
-0.3°F
(-0.1°C)
43rd Coolest
Coolest since:
1904, 1978
85th Warmest
Warmest since:
2012
Ties: 1903, 1910, 1945, 2001
Jul 1929–Jun 1930
12-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
46th Coolest
Coolest since:
1904, 1912, 1918, 1978
82nd Warmest
Warmest since:
2012
Ties: 1900, 1903, 1962, 1971
Jan 1929–Jun 1930
18-Month
53.1°F
(11.7°C)
53.8°F
(12.1°C)
-0.7°F
(-0.4°C)
26th Coolest
Coolest since:
1979
102nd Warmest
Warmest since:
2017
Ties: 1896, 1912, 1917, 1963, 1971, 1982
Jul 1928–Jun 1930
24-Month
54.9°F
(12.7°C)
55.4°F
(13.0°C)
-0.5°F
(-0.3°C)
33rd Coolest
Coolest since:
1978, 1979
94th Warmest
Warmest since:
2017
Ties: 1916
Jul 1927–Jun 1930
36-Month
54.8°F
(12.7°C)
55.4°F
(13.0°C)
-0.6°F
(-0.3°C)
24th Coolest
Coolest since:
1979
102nd Warmest
Warmest since:
2018
Ties: 1899, 1901, 1982
Jul 1926–Jun 1930
48-Month
55.0°F
(12.8°C)
55.4°F
(13.0°C)
-0.4°F
(-0.2°C)
31st Coolest
Coolest since:
1980
94th Warmest
Warmest since:
2019
Ties: 1899, 1915, 1964, 1997
Jul 1925–Jun 1930
60-Month
54.9°F
(12.7°C)
55.4°F
(13.0°C)
-0.5°F
(-0.3°C)
24th Coolest
Coolest since:
1980
100th Warmest
Warmest since:
2020
Ties: 1909, 1961, 1973, 1984

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